The Barrett 2061 HF phone patch provides an interface between an HF
network and the International telephone network, allowing HF stations
to be connected to telephone subscribers and vice versa.
The Barrett 2061 uses a unique adaptive hybrid to convert the four-wire
audio from the transceiver to two-wire audio for the phone line. An
adaptable hybrid, implemented with digital signal processing (DSP),
provides continually recalculated isolation between the off air HF signal
and the telephone user, producing a reliable VOX signal (Voice
Operated Xmit (transmit)) to key the transmitter when the telephone
subscriber's voice is present.
DSP based automatic adaptive hybrid that balances the telephone line
continually with no adjustments, eliminating oscillation in full duplex
circuits, false VOX tripping and time consuming setup.
The 2061 is packaged in a 2000 series enclosure and is designed for
direct interface via our standard bus cable to the Barrett 2050
transceiver. It can however, be interfaced to other suitable HF transceivers..